Hitachi CONVENTION 14 Welding System User Manual


 
Use one BRD-E3 braking unit for the braking torque listed in the following table.
Note the column meanings in the tables:
x Column “A” = Average braking torque from 60Hz to 3Hz.
x Column “B” = Average braking torque from 120Hz to 3Hz.
X200 Inverter 200V Models Braking Torque with BRD-E3 Braking Unit
External resistor added
Using built-in
resistor only
HRB1 HRB2 HRB3
Model Number HP
Braking
torque
without
braking unit
A B A B A B A B
002SFEF/NFU 1/4 50% 150% 120%
004SFEF/NFU 1/2 50% 150% 120%
005SFEF 3/4 50% 150% 120%
007SFEF/NFU 1 50% 100% 80% 150% 120%
011SFEF 1.5 50% 60% 60% 100% 80%
015SFEF/NFU 2 50% 50% 50% 100% 80%
022SFEF/NFU 3 20% 50% 50% 100% 80%
037LFU 5 20% 40% 40% 60% 60% 100% 100% 150% 120%
055LFU 7.5 20% 30% 30% 50% 50% 70% 70% 100% 80%
075LFU 10 20% 20% 20% 40% 40% 50% 50% 80% 80%
Connect a second braking unit in parallel for additional braking torque listed in the
following table.
X200 Inverter 200V Models Braking Torque with BRD-E3 Braking Unit
External resistor added
Using built-in
resistor only
HRB1 HRB2 HRB3
Model Number HP
Braking
torque
without
braking unit
A B A B A B A B
002SFEF/NFU 1/4 50% 150% 120%
004SFEF/NFU 1/2 50% 150% 120%
005SFEF 3/4 50% 150% 120%
007SFEF/NFU 1 50% 150% 120%
011SFEF 1.5 50% 100% 80%
015SFEF/NFU 2 50% 100% 80%
022SFEF/NFU 3 20~40% 70% 70% 150% 120%
037LFU 5 20~40% 50% 50% 110% 90%
055LFU 7.5 20% 30% 30% 80% 80% 100% 100% 150% 150%
075LFU 10 20% 30% 30% 60% 60% 80% 80% 100% 100%
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5 6
Inverter System
Accessories